A GENETICO-PHYSIOLOGICAL STUDY ON THE FORMATION ETC. 
67 
In blacks, yellow, green or brown is completely covered, but in brown 
green colour is visible, lienee blue tinged greens, bine tinged yellows, non tinged 
greens, non tinged yellows, blacks and browns arise by the ratio 27 : 9 : 9 : 3 : 
12:4. If we denote above phenotypes by B.T.G., B.T.Y., G, Y, Bl, and 
Br. respectively, the following segregation is expected in the F, generation. 
F 2 plant. 
Segregation in F. 
Ratio. 
B.T.G. 
GGRRII 
1 
B.T.G. 
Const. 
99 
GGRRIi 
2 
B.T.G. : Bl. 
3 : 1 
99 
GGRrii 
2 
B.T.G.: G. 
3:1 
99 
GGRrii 
4 
B.T.G.: G : Bl : Br. 
9 : 3 : 3 :1 
99 
GgRRII 
2 
B.T.G. :B.T.Y. 
3 :1 
99 
GgRRIi 
4 
B.T.G. : B.T.Y.: Bl. 
9:3:4 
99 
GgRrII 
4 
B.T.G. : B.T.Y. : Y 
9 : 3 : 3 :1 
99 
GgRrli 
8 
B.T.G.: G.: B.T.Y. : Y : Bl : 
: Br. 27:9:9:3:12 : 4 
Bl. 
GGRRii 
1 
Bl. 
Const. 
99 
GGRrii 
2 
Bl : Br. 
3:1 
99 
GgRRii 
2 
Bl. 
Const. 
99 
GgRrli 
4 
Bl : Br. 
3 : 1 (12 : 4) 
99 
ggRRii 
1 
Bl. 
Const. 
99 
ggRrii 
2 
Bl. : Br. 
3:1 
G. 
GGrrII 
1 
G. 
Const. 
99 
GGrrli 
2 
G. : Br. 
3:1 
99 
GgrrII 
2 
G: Y 
3:1 
99 
Ggrrli 
4 
G: Y: Br. 
9:3:4 
BT.Y. 
ggRRII 
1 
B.T.Y. 
Const. 
99 
ggRRIi 
2 
B.T.Y. : Bl. 
3: 1 
99 
ggRrii 
2 
B. T. Y. : Y 
3:1 
99 
ggRrii 
4 
B.T.Y. :EÎ: Y. : Br. 
9 : 3 : 3 :1 
Br. 
G Grrii 
1 
Br. 
Const. 
99 
Ggrrli 
2 
Br (greenish) : Br. 
3:1 
99 
ggrrli 
1 
Br. 
Const. 
Y. 
ggrrli 
1 
Y. i 
Const. 
99 
ggrrli 
2 
Y. : Br. 
• t 
3:1 
The observed data showed a close approximation to the above expectation. 
See the table below. 
